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(a) Calculate the rotational kinetic energy (in J) of Mercury on its axis. (Assume its mass...

(a) Calculate the rotational kinetic energy (in J) of Mercury on its axis. (Assume its mass to be 3.59 ✕ 1023 kg, the period about its axis to be 1420 h, and its diameter to be 4880 km.)

_____ J

(b) What is the rotational kinetic energy (in J) of Mercury in its orbit around the Sun? (Assume its distance from the sun to be 5.79 ✕ 107 km and its period about the sun to be 88.0 days.)

____ J

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